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Integumentary System By Katherine Contreras Period 6 - Coggle Diagram
Integumentary System By Katherine Contreras Period 6
Hypodermis
deepest layer(underneath dermis) , made up of adipose & aerolar tissue
epidermis
Layers of the epidermis ( from superficial to deep)
Stratnum
c
ornium
stratnum
L
ucidium
stratnum
g
ranulosum
stratnum
s
pinosum
stratnum
b
asale
Can't Let Granny Spoil Breakfast
Cells
Keratinocytes
: produces keratin & protects skin
Melanocytes
Produce pigment( skin color , hair color)
protects skin vs UV radiations
Merkel cells :
skin sensation
Langerhan Cells :
immune response
Burns
1st Degree Burn:
any burn injuring only the epidermis ,sunburn ( peels off, takes 1-2 weeks to heal depending)
2nd Degree
: a burn injuring both epidermis and dermis , blisters filled with fluid ( takes 3-4 to heal)
3rd degree:
burning epidermis,dermis,and hypodermis ( full thickness, loss of sensory nerves)
dermis
Primarily made up of connective tissues,located in between epidermis and hypodermis
Glands
sudoriferous (sweat)
sebaceous (oil)
mammary(milk)
Basement
seperates epidermis from dermis
Regions of Dermis
Papillary Region:
connects dermis to epidermis,provides strength
Reticular Region
:provides strength ,toughens and allows skin to be elastic
Skin Cancer & ABCD Rule-
Cutaneous Caricomas
Cancer that begins in cells that form the epidermis
occurs on areas of the skin that have been exposed to natural sunlight or artificial sunlight
have to be surgically removed
most common on face,neck/scalp
ABCDE RULE
A;
asymmetry
B
: border
C
: Color
D
:Diameter
E:
evolving
Cutaneous Melanomas
: occurs when the pigment-producing cells that give color to the skin become cancerous
Rules of Nines
front and back of the head and neck
equal 9% of the body's surface area.
The front and back of each arm and hand
equal 9% of the body's surface area.
The chest
equals 9% .
The upper back
equals 9% and the
lower back
equals 9% of the body's surface area.
The front and back of each leg and foot
equal 18% of the body's surface area.
The genital area
equals 1% of the body's surface area.
stomach
equals 9%
Major Functions of the Skin
Sensation
: causes the need to itch
Heat Regulation
Keeps the body temperature stable